diff --git a/go.mod b/go.mod
index cefb2ca1cb8..55b1e6ddfdc 100644
--- a/go.mod
+++ b/go.mod
@@ -41,7 +41,7 @@ require (
 	github.com/sigstore/timestamp-authority v1.2.2
 	github.com/spf13/cobra v1.8.1
 	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.18.2
+	github.com/spf13/viper v1.19.0
 	github.com/spiffe/go-spiffe/v2 v2.3.0
 	github.com/stretchr/testify v1.9.0
 	github.com/transparency-dev/merkle v0.0.2
diff --git a/go.sum b/go.sum
index 87405d40492..c5118703e80 100644
--- a/go.sum
+++ b/go.sum
@@ -633,8 +633,8 @@ github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM=
 github.com/spf13/cobra v1.8.1/go.mod h1:wHxEcudfqmLYa8iTfL+OuZPbBZkmvliBWKIezN3kD9Y=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/spf13/viper v1.18.2 h1:LUXCnvUvSM6FXAsj6nnfc8Q2tp1dIgUfY9Kc8GsSOiQ=
-github.com/spf13/viper v1.18.2/go.mod h1:EKmWIqdnk5lOcmR72yw6hS+8OPYcwD0jteitLMVB+yk=
+github.com/spf13/viper v1.19.0 h1:RWq5SEjt8o25SROyN3z2OrDB9l7RPd3lwTWU8EcEdcI=
+github.com/spf13/viper v1.19.0/go.mod h1:GQUN9bilAbhU/jgc1bKs99f/suXKeUMct8Adx5+Ntkg=
 github.com/spiffe/go-spiffe/v2 v2.3.0 h1:g2jYNb/PDMB8I7mBGL2Zuq/Ur6hUhoroxGQFyD6tTj8=
 github.com/spiffe/go-spiffe/v2 v2.3.0/go.mod h1:Oxsaio7DBgSNqhAO9i/9tLClaVlfRok7zvJnTV8ZyIY=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=